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Table 1 Impact of the control schemes on the average time to reach 2% herd prevalence of active BVDV infection.

From: Network modeling of BVD transmission

Control Scheme 1 2 3(0.1) 3(0.2) 3(0.3) 3(0.5)
PIs and PIs in utero 7.6 ± 3.2 13.1 ± 6.2 14.0 ± 6.6 11.1 ± 5.3 9.6 ± 4.4 8.2 ± 3.9
excluding PIs in utero(low) 7.8 ± 3.2 13.5 ± 7.0 14.5 ± 7.1 11.4 ± 5.7 10.0 ± 4.5 8.5 ± 3.6
excluding PIs in utero(high) 13.6 ± 6.7 20.1 ± 8.4 21.4 ± 8.2 18.6 ± 8.4 17.6 ± 7.5 15.2 ± 7.4
  1. Times (and standard deviations) are given for control schemes 1, 2 and 3. The number in brackets for control scheme 3 refers to the proportion of farms, n, to which the movement restrictions are applied. Values are given for restrictions on the movements of both PIs and PIs in utero as well as restrictions on the movement of PIs alone. All times are given in years.